I’ve discovered that when I was originally booting the DVD I was booting into grub with bios emulation. I found the option with refind to boot with efi. It loads the grux64.efi console and boots to the PCBSD boot selection screen. After selecting any option here it just locks up with a black console over the normal grub menu.
So I guess that answers the question of whether or not EFI boot is going to work on this iMac for now at least. I have a few other macs I will try later and will report back if those work.
Joe Maloney
On Oct 26, 2013, at 4:58 PM, Kris Moore <kris at pcbsd.org> wrote:
> On 10/26/2013 15:39, Joe Maloney wrote:
>> Kris,
>> is there anything new or special you did regarding grub when you built the DVD Image to boot using grub? The refind boot loader for Mac’s can see’s the PCBSD DVD as Linux however it actually boots into grub. :) Unfortunately after install when refind see’s FreeBSD it does not boot grub. I’m thinking whatever this difference is may also help fix bootcamp support.
>>>> Joe Maloney
>>> So the installer does boot grub, then into the installer normally? I
> made the disk with "grub-mkrescue" with the grub2 & grub2-efi ports
> installed.
>> I'm not doing anything different yet with grub-install during
> installation. Not sure if you have to do some tweaking to that command
> to "force" it to use EFI mode. It has these two flags which may be of
> some use:
>> --target=TARGET
> install GRUB for TARGET platform [default=current]
>>> --efi-directory=DIR
> use DIR as the EFI System Partition root.
>>> --
> Kris Moore
> PC-BSD Software
> iXsystems
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